This Technical Manual TM 3-4240-224-35 covers the ABC-M15A1 Compressed Air Breathing Apparatus and is dated August 1962. For collectors of U.S. Army technical manuals, Chemical Corps material, Cold War protective equipment, and military support-system literature, this is a strong period reference tied to a specialized and less commonly encountered piece of Army respiratory protection equipment.
Because this is a -35 technical manual, it belongs to the higher-level maintenance side of Army documentation rather than basic operator use. Manuals in this category were intended to support more advanced servicing, inspection, repair, and technical support functions than a simple field-use booklet. That gives this publication a strong technical and workshop-oriented value for collectors, researchers, and restorers.
The ABC-M15A1 Compressed Air Breathing Apparatus
The ABC-M15A1 belongs to the broader family of U.S. military compressed-air breathing and protective-support equipment. As identified by its nomenclature, it was a compressed air breathing apparatus, placing it squarely in the support side of Army chemical-defense and hazardous-environment operations rather than in the category of conventional weapons or vehicles.
Equipment of this type was associated with the need to provide breathable air in environments where normal ambient air could not be relied upon. In military terms, that makes it relevant to the broader history of Chemical Corps equipment, protective systems, and specialized support gear used in hazardous atmospheres.
For collectors, that makes this manual especially interesting because it documents the technical side of Cold War protective equipment rather than more commonly seen combat hardware. It is a useful example of the Army’s broader readiness infrastructure during the chemical-defense era.
What This Manual Covers
As a -35 technical manual, TM 3-4240-224-35 would have been intended to support higher-level maintenance and technical service functions for the ABC-M15A1 Compressed Air Breathing Apparatus.
In practical terms, a manual like this is especially relevant for:
That makes it valuable not only as a collectible, but also as a practical reference for anyone studying how the Army maintained specialized respiratory-protection equipment during the early Cold War period.
Historical Significance
The date August 1962 places this publication squarely in the Cold War period, when the U.S. military maintained extensive technical literature covering chemical defense, respiratory protection, filtration, decontamination, and protected-environment support systems. Manuals like this reflect a period when Army documentation extended far beyond weapons and vehicles to include the equipment required to help personnel remain operational in hazardous conditions.
For collectors and historians, this manual is especially relevant to subjects such as:
Because it covers a specialized breathing apparatus rather than a more common vehicle or weapon system, it also adds variety to collections that already include standard ordnance or maintenance manuals.
About This Manual
This listing is for Technical Manual TM 3-4240-224-35 for the ABC-M15A1 Compressed Air Breathing Apparatus, dated August 1962.
It is especially well suited for:
Because manuals were working documents, surviving examples are valued not only for their content, but also for their connection to real military maintenance and support practice.
Why This Manual Matters
Many military manuals focus on weapons, vehicles, or combat systems. This one documents the support side of military readiness, specifically respiratory-protection equipment intended for hazardous environments. That makes it especially useful for collectors who want to preserve the broader technical and logistical picture of Army Cold War preparedness rather than only front-line hardware.
For collectors, it is a solid stand-alone Cold War technical manual with a specialized subject focus. For researchers, it offers a useful reference point for Army respiratory-protection documentation and maintenance practice. For museums, it helps explain the behind-the-scenes systems that supported personnel operating in contaminated or hazardous conditions.
Ideal For
This manual is a strong fit for:
Approx length 10", Approx width 8", Approx height .2", Approx weight .2lbs.
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